imsm: FIX: Update function imsm_num_data_members() for Raid1/10

Function imsm_num_data_members() returns wrong value for raid 1 and 10.
It returns all data member but it should return number of unique data
members (excluding mirror devices)

Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>

diff --git a/super-intel.c b/super-intel.c
index 088e6bc18e5b1274db1861d9d2978d50db9457ff..5f865396e21d74dbcc51c1ed6f4e2eb89a6c72a5 100644 (file)
--- a/super-intel.c
+++ b/super-intel.c
@@ -2032,9 +2032,11 @@ static __u8 imsm_num_data_members(struct imsm_dev *dev, int second_map)
 
        switch (get_imsm_raid_level(map)) {
        case 0:
+               return map->num_members;
+               break;
        case 1:
        case 10:
-               return map->num_members;
+               return map->num_members/2;
        case 5:
                return map->num_members - 1;
        default: